Staging: hv: Change the signature for vmbus_on_isr()

As part of getting getting rid of the  hv_driver object from
vmbus_driver_context, change the signature for vmbus_on_isr.
Note that the argument to vmbus_on_isr() is not used.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Mike Sterling <mike.sterling@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/vmbus_drv.c

@@ -258,7 +258,7 @@ static void vmbus_on_msg_dpc(unsigned long data)
 /*
  * vmbus_on_isr - ISR routine
  */
-static int vmbus_on_isr(struct hv_driver *drv)
+static int vmbus_on_isr(void)
 {
 	int ret = 0;
 	int cpu = smp_processor_id();
@@ -989,8 +989,7 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id)
 {
 	int ret;
 
-	/* Call to bus driver to handle interrupt */
-	ret = vmbus_on_isr(NULL);
+	ret = vmbus_on_isr();
 
 	/* Schedules a dpc if necessary */
 	if (ret > 0) {